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- W2183450419 abstract "Objective: Simultaneous positron emissi magnetic resonance (PET/MR) acquisition w BrainPET employs a transmit/receive coil that within the system’s PET insert. The coil is trans visible in the PET FOV and occupies space be and PET detectors. This work develops an es position within the BrainPET FOV and provid the coil attenuation correction factors. Methods sources were taped in various positions on th coil. PET scans of the coil were collected on BrainPET, GE DST, and Siemens HRRT. Tr were also collected, including CT, Ge-68 rod sou 137 point source data. The emission data from HRRT were co-registered with the BrainPET e transformation matrices created from these re used to transform respective scanner transm BrainPET space. µ-map images were created smoothing to the DST resolution and creating using the DST 511keV µ-map as the standa 511keV and CT µ-maps showed a strong co their attenuation values with the CT valu estimating the 511keV values by a factor of between the 511keV µ-map and Cs-137 µ-map likely due to missing features in the coil's poster Cs-137 µ-map. This occurred because there sampling of the coil at the edge of the HRRT F CT provides a good estimate of the BrainPET properties after minor adjustment to match the" @default.
- W2183450419 created "2016-06-24" @default.
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- W2183450419 date "2010-01-01" @default.
- W2183450419 modified "2023-09-24" @default.
- W2183450419 title "of MR-coil Attenuation in neous PET/MR BrainPET" @default.
- W2183450419 cites W1990005524 @default.
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- W2183450419 hasPublicationYear "2010" @default.
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